扫描电子显微镜

In the square outside the British Library in London is a sculpture of Sir Isaac Newton - The first man who asked why apples seem always to fall towards the centre of the earth. Maybe they chose it for the spot because it shows a great scientist at wo

发表于:2018-12-07 / 阅读(140) / 评论(0) 分类 英文杂志-Magazine

AS IT IS 2014-06-28 DIY Microscope Costs Only One Dollar 自制显微镜只需一美元 From VOA Learning English, this is As It Is. Today we hear about a recent development in microscope technology. Now, you might think this will be about a costly a

发表于:2018-12-16 / 阅读(102) / 评论(0) 分类 2014年VOA慢速英语(六)月

OK, great, we smell vibrations. How? All right? 好吧,我们闻到的是震动。怎么闻到呢? Now when people ask this kind of question, they neglect something, which is that physicists are really clever, unlike biologists. 当人们问这个问

发表于:2018-12-19 / 阅读(106) / 评论(0) 分类 TED演讲教育篇

This is Scientific American's 60-Second Science. I'm Sophie Bushwick. Got a minute? The shortest distance between two points may be a straight line, but try telling that to electrons: when current flows down a wire, these particles zig and zag, movin

发表于:2018-12-24 / 阅读(163) / 评论(0) 分类 Scientific American(九)月

Faith is a fine invention When Gentlemen can see - But Microscopes are prudent In an Emergency. In this poem, Emily calls attention to the friction between science and religion. People only believe what they can see and use the invention of faith as

发表于:2019-01-01 / 阅读(110) / 评论(0) 分类 英语散文阅读

After hundreds of years, the most common, basic microscopes still operate by means of the same old hardware: the lens. But what if you could do away with that lens and create a microscope that fits on a cell phone? Thats what researchers led by Aydog

发表于:2019-01-02 / 阅读(108) / 评论(0) 分类 60秒科学

Three Scientists Win Nobel Prize in Chemistry Three scientists have won the Nobel Prize for chemistry for their work to simplify and improve the imaging of biomolecules. 三位科学家因为在简化和改善生物分子成像方面的成就获得了诺

发表于:2019-01-03 / 阅读(234) / 评论(0) 分类 2017年VOA慢速英语(十)月

After hundreds of years, the most common, basic microscopes still operate by means of the same old hardware: the lens. But what if you could do away with that lens and create a microscope that fits on a cell phone? Thats what researchers led by Aydog

发表于:2019-01-08 / 阅读(155) / 评论(0) 分类 Scientific American(六)月

Computers Evaluate Cancer Biopsies Cancer treatment might have just taken a big leap into the computer age. Stanford University researchers are reporting significant success in training computers to analyze microscope slides of breast cancer biopsies

发表于:2019-01-13 / 阅读(118) / 评论(0) 分类 VOA标准英语2011年(十一月)

[0:0]efficiency效率,功效 [0:12.1950]elaborate elastic elbow elderly精心计划的,详尽的 橡皮图,松紧带 肘,肘部 较老的,年长的 [1:2.6076]elect electrical electron选举,推选 电的,电气科学的 电子 [1:41.1372]electronic elegant element elementary [2:36.2790]el

发表于:2019-01-16 / 阅读(230) / 评论(0) 分类 闭着眼睛飘单词 四级词汇

But this still doesn't explain why light is able to pass through glass rather than being absorbed as with most solids. 但是这还是不能解释为什么光可以穿透玻璃而不是像其他大多固体那样被吸收。 For that, we need to go a

发表于:2019-01-17 / 阅读(131) / 评论(0) 分类 TED演讲教育篇

A: What kind of music do you enjoy listening to? B: I enjoy listening to all kinds of music. A: What kind? B: I like to listen to Rock and RB. A: Why do you like that type of music? B: I like the kinds of instruments that they use. A: I think that's

发表于:2019-01-20 / 阅读(172) / 评论(0) 分类 英语闲谈

Faith is a fine invention When Gentlemen can see - But Microscopes are prudent In an Emergency. In this poem, Emily calls attention to the friction between science and religion. People only believe what they can see and use the invention of faith as

发表于:2019-01-30 / 阅读(111) / 评论(0) 分类 双语有声阅读

A-bomb, atomic bomb 原子弹 absorption 吸收 to accelerate 加速 accelerating chamber 加速室 accelerator 加速器 synchrocyclotron 同步回旋加速器 synchrotron 同步加速器 betatron 电子

发表于:2019-02-03 / 阅读(167) / 评论(0) 分类 英文语法词汇

Early effect 厄利效应 Early failure 早期失效 Effective mass 有效质量 Einstein relation(ship) 爱因斯坦关系 Electric Erase Programmable Read Only Memory(E2PROM) 一次性电可擦除只读

发表于:2019-02-05 / 阅读(155) / 评论(0) 分类 实用英语

Background carrier 本底载流子 Background doping 本底掺杂 Backward 反向 Backward bias 反向偏置 Ballasting resistor 整流电阻 Ball bond 球形键合 Band 能带 Band gap 能带间隙 Ba

发表于:2019-02-05 / 阅读(141) / 评论(0) 分类 实用英语

Finally, in 1926, Heisenberg came up with a celebrated compromise, producing a new discipline that came to be known as quantum mechanics. At the heart of it was Heisenberg's Uncertainty Principle, which states that the electron is a particle but a pa

发表于:2019-02-17 / 阅读(122) / 评论(0) 分类 万物简史

Neutrons and protons occupy the atom's nucleus. The nucleus of an atom is tinyonly one millionth of a billionth of the full volume of the atombut fantastically dense, since it contains virtually all the atom's mass. As Cropper has put it, if an atom

发表于:2019-02-17 / 阅读(120) / 评论(0) 分类 万物简史

The Microscopic Technique Each advance in microscopic technique has provided scientists with new perspectives on the function of living organisms and the nature of matter itself. The invention of the visible light microscope late in the sixteenth cen

发表于:2019-02-25 / 阅读(157) / 评论(0) 分类 双语有声阅读

SPIM stands for Selective Plane Illumination Microscopy. SPIM is a new kind of microscope technology. It provides a significantly sharper image than current microscopes, and it also allows one to study living organisms without destroying or harming t

发表于:2019-03-06 / 阅读(167) / 评论(0) 分类 英语时差8,16
学英语单词
acceleration of planetary notion
Acetoanaerobium
agent participle
altermaria calendulae yamamoto
anal valves
arbitrary unit
aural catarrh
avoidance reaction test
Ban Phavang
batwings
Bebisa
Belle Isle cress
bite gauge
bridehood
broadcast antenna
Canas de Senhorim
carbonnitrogen cycle
character reading
Cherchevski's disease
coarsenings
cocking of a snook
common elders
Conradian
copyrightable
critical function
cross-faulted anticline
diducaine
differential-integral
downcastness
Drosophilidae
dynamic hysteresis
ending of Meiyu
enigma to
erasable programmable logic device
ERST (error state)
ethyl bromid
exterior-point algorithm
fixed pin type piston
fontanez
gesticulations
goods to arrive
gruelly
harmonic mean distance
helmany
hydro-alternator
increasing pressure curve
investment tax
Italian woodbine
Kamui-misaki
keypunchers
klog
landscape maps
Latakian
light-purse seine
loanable-funds theory of interest
long - life milk
mcquarters
mellie
miniessay
minimum surface temperature
motor sheave
multi level crossing
Murray Downs
normalization map
nova sofala(sofala)
nuclear ralaxation
number of field per second
obdurately
Oberon, Merle
opulently
organic matter metagenesis
orienteering
ovothiol
papyriferas
physionomie
pneumohemorrhagia
protestantizing
psychosocial developmental stages
reading head
recovery processing
rectangular object
request execution command
retail customer
retroperitoneal abscess
semiband width
severization
Shasta Dam
strip minings
Substituted Vessel
suntanned
superior maxillary nerve
temperature programmed gas chromatography
Thea nigra
tullock
twist boundaries
vapor pressure bellows
venae
voces
vouchees
washery dirt
what's up with that?
yeniseys